<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>title</title>
		  <style>
    * {
      padding: 0;
      margin: 0;
    }
    
    .wrap {
      width: 410px;
      margin: 100px auto 0;
    }
    
    table {
      border-collapse: collapse;
      border-spacing: 0;
      border: 1px solid #c0c0c0;
    }
    
    th,
    td {
      border: 1px solid #d0d0d0;
      color: #404060;
      padding: 10px;
    }
    
    th {
      background-color: #09c;
      font: bold 16px "Î¢ÈíÑÅºÚ";
      color: #fff;
    }
    
    td {
      font: 14px "Î¢ÈíÑÅºÚ";
    }
    
    td a.get {
      text-decoration: none;
    }
    
    a.del:hover {
      text-decoration: underline;
    }
    
    tbody tr {
      background-color: #f0f0f0;
    }
    
    tbody tr:hover {
      cursor: pointer;
      background-color: #fafafa;
    }
    
    .btnAdd {
      width: 110px;
      height: 30px;
      font-size: 20px;
      font-weight: bold;
    }
    
    .form-item {
      height: 100%;
      position: relative;
      padding-left: 100px;
      padding-right: 20px;
      margin-bottom: 34px;
      line-height: 36px;
    }
    
    .form-item > .lb {
      position: absolute;
      left: 0;
      top: 0;
      display: block;
      width: 100px;
      text-align: right;
    }
    
    .form-item > .txt {
      width: 300px;
      height: 32px;
    }
    
    .mask {
      position: absolute;
      top: 0px;
      left: 0px;
      width: 100%;
      height: 100%;
      background: #000;
      opacity: 0.15;
      display: none;
    }
    
    .form-add {
      position: fixed;
      top: 30%;
      left: 50%;
      margin-left: -197px;
      padding-bottom: 20px;
      background: #fff;
      display: none;
    }
    
    .form-add-title {
      background-color: #f7f7f7;
      border-width: 1px 1px 0 1px;
      border-bottom: 0;
      margin-bottom: 15px;
      position: relative;
    }
    
    .form-add-title span {
      width: auto;
      height: 18px;
      font-size: 16px;
      font-family: ËÎÌå;
      font-weight: bold;
      color: rgb(102, 102, 102);
      text-indent: 12px;
      padding: 8px 0px 10px;
      margin-right: 10px;
      display: block;
      overflow: hidden;
      text-align: left;
    }
    
    .form-add-title div {
      width: 16px;
      height: 20px;
      position: absolute;
      right: 10px;
      top: 6px;
      font-size: 30px;
      line-height: 16px;
      cursor: pointer;
    }
    
    .form-submit {
      text-align: center;
    }
    
    .form-submit input {
      width: 170px;
      height: 32px;
    }
  </style>
	</head>
	<body>
		<div class="wrap">
			<input type="button" value="清空内容" id="btn">
			<input type="button" value="添加" id="btnAdd">
			<table>
				<thead>
				<tr>
					<th>课程名称</th>
					<th>所属学院</th>
					<th>操作</th>
				</tr>
				</thead>
				<tbody id="j_tb">
				<tr>
					<!-- <td><input type="checkbox"/></td> -->
					<td>JavaScript</td>
					<td>传智播客-前端与移动开发学院</td>
					<td><a href="javascrip:;" class="get">DELETE</a></td>
				</tr>
				<tr>
					<!-- <td><input type="checkbox"/></td> -->
					<td>css</td>
					<td>传智播客-前端与移动开发学院</td>
					<td><a href="javascrip:;" class="get">DELETE</a></td>
				</tr>
				<tr>
					<!-- <td><input type="checkbox"/></td> -->
					<td>html</td>
					<td>传智播客-前端与移动开发学院</td>
					<td><a href="javascrip:;" class="get">DELETE</a></td>
				</tr>
				<tr>
					<td>jQuery</td>
					<td>传智播客-前端与移动开发学院</td>
					<td><a href="javascrip:;" class="get">DELETE</a></td>
				</tr>
				</tbody>
			</table>
		</div>
		<script src="jquery-1.12.4.js" type="text/javascript" charset="utf-8"></script>
		<script type="text/javascript">
			$(function(){
				//1.找到清空按钮,注册点击事件,清空<tbody>
					$("#btn").on("click",function(){
						$("#j_tb").empty();
					});
				//2.找到delete，注册点击事件
// 					$(".get").on("click",function(){
// 						$(this).parent().parent().remove();
// 					});
				//采用事件委托
				$("#j_tb").on("click",".get",function(){
					$(this).parent().parent().remove();
				});
				
				//3.找到添加按钮,注册点击事件
				$("#btnAdd").on("click",function(){
					$('<tr> <td>jQuery111</td> <td>传智播客-前端与移动开发学院111</td> <td><a href="javascrip:;" class="get">DELETE</a></td> </tr>').appendTo("#j_tb");
				});
			});
		</script>
	</body>
</html>